- Mayumi Tanaka (Monkey D. Luffy (voice))
- Kazuya Nakai (Roronoa Zoro (voice))
- Mari Yaguchi (Yoko (voice))
- Akemi Okamura (Nami (voice))
- Kappei Yamaguchi (Usopp (voice))
- Hiroaki Hirata (Sanji (voice))
- Ikue Otani (Tony Tony Chopper (voice))
- Yuriko Yamaguchi (Nico Robin (voice))
- Kazuki Yao (Franky (voice))
- Katsuhisa Houki (Jinbe (voice))
- Cho (Brook (voice))
- Hideyuki Tanaka (Donquixote Doflamingo (voice))
One Piece — S18E771
Episode: A Vow Between Two Men - Luffy and Kozuki Momonosuke
Air Date: 2017-01-08
Runtime: 24 min
Overview
More mysteries of the Kozuki Clan are revealed - and the samurai propose an alliance to help topple Kaido! But Luffy's response will shock the crew... and force the young daimyo to take responsibility!